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<div><span class="kw">theorem </span><a NAME="T15"><span class="comment"><font color="firebrick">:: NAT_LAT:15</font></span><br/></a><div class="add"> for <font color="Olive" title="b1">L</font> being   <a href="lattices.html#NM1" title="LATTICES:NM.1">Lattice</a> holds  <font color="Olive" title="b1">L</font> is    <a href="nat_lat.html#M2" title="NAT_LAT:mode.2">SubLattice</a> of <font color="Olive" title="b1">L</font></div></div>
